"Everyone agrees that the talent has always been there," Haren said. "He had times where he has put it all together, making an All-Star team. He has never put it together for that long. Right now, he is in one of those streaks where he is tough to get out. I think he is a little inspired, trying to show the Diamondbacks how good he can be and obviously play hard for his new team."
The Braves acquired Upton from Arizona for five players, including Martin Prado, during the offseason.
Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also can be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.